/**
 * Copyright (c) 2015-2017, Henry Yang 杨勇 (gismail@foxmail.com).
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.mapfinal.dispatcher.query;

public interface Filter {
	
	/**
	 * 转成SQL语句
	 * @param criteria
	 * @return
	 */
	public SqlParas getSqlParas(Criteria criteria);
	
	/**
	 * 比对
	 * @param object
	 * @return
	 */
	public boolean evaluate(Object object);
	
	/**
	 * 外部比对
	 * @param visitor
	 * @param extraData
	 */
	public void accept(FilterVisitor visitor, Object extraData);
}
